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wayland: save/restore numlock state

Save the state on NumLock so that is can be (optionally) restored on
next login.

bugzilla: https://bugzilla.gnome.org/show_bug.cgi?id=757943
This commit is contained in:
Olivier Fourdan 2016-09-08 09:55:44 +02:00
parent a884e4540c
commit 4c106a9c9b
9 changed files with 231 additions and 0 deletions

View file

@ -2530,6 +2530,60 @@ clutter_evdev_set_keyboard_layout_index (ClutterDeviceManager *evdev,
xkb_state_update_mask (state, depressed_mods, latched_mods, locked_mods, 0, 0, idx);
}
/**
* clutter_evdev_set_keyboard_numlock: (skip)
* @evdev: the #ClutterDeviceManager created by the evdev backend
* @numlock_set: TRUE to set NumLock ON, FALSE otherwise.
*
* Sets the NumLock state on the backend's #xkb_state .
*
* Stability: unstable
*/
void
clutter_evdev_set_keyboard_numlock (ClutterDeviceManager *evdev,
gboolean numlock_state)
{
ClutterDeviceManagerEvdev *manager_evdev;
ClutterDeviceManagerEvdevPrivate *priv;
GSList *iter;
xkb_mod_mask_t numlock;
g_return_if_fail (CLUTTER_IS_DEVICE_MANAGER_EVDEV (evdev));
manager_evdev = CLUTTER_DEVICE_MANAGER_EVDEV (evdev);
priv = manager_evdev->priv;
numlock = (1 << xkb_keymap_mod_get_index(priv->keymap, "Mod2"));
for (iter = priv->seats; iter; iter = iter->next)
{
ClutterSeatEvdev *seat = iter->data;
xkb_mod_mask_t depressed_mods;
xkb_mod_mask_t latched_mods;
xkb_mod_mask_t locked_mods;
xkb_mod_mask_t group_mods;
depressed_mods = xkb_state_serialize_mods (seat->xkb, XKB_STATE_MODS_DEPRESSED);
latched_mods = xkb_state_serialize_mods (seat->xkb, XKB_STATE_MODS_LATCHED);
locked_mods = xkb_state_serialize_mods (seat->xkb, XKB_STATE_MODS_LOCKED);
group_mods = xkb_state_serialize_layout (seat->xkb, XKB_STATE_LAYOUT_EFFECTIVE);
if (numlock_state)
locked_mods |= numlock;
else
locked_mods &= ~numlock;
xkb_state_update_mask (seat->xkb,
depressed_mods,
latched_mods,
locked_mods,
0, 0,
group_mods);
clutter_seat_evdev_sync_leds (seat);
}
}
/**
* clutter_evdev_set_pointer_constrain_callback:
* @evdev: the #ClutterDeviceManager created by the evdev backend

View file

@ -105,6 +105,10 @@ CLUTTER_AVAILABLE_IN_1_20
void clutter_evdev_set_keyboard_layout_index (ClutterDeviceManager *evdev,
xkb_layout_index_t idx);
CLUTTER_AVAILABLE_IN_1_26
void clutter_evdev_set_keyboard_numlock (ClutterDeviceManager *evdev,
gboolean numlock_state);
CLUTTER_AVAILABLE_IN_1_18
void clutter_evdev_set_keyboard_repeat (ClutterDeviceManager *evdev,
gboolean repeat,

View file

@ -103,6 +103,9 @@ struct _MetaBackendClass
double *dy,
double *dx_unaccel,
double *dy_unaccel);
void (* set_numlock) (MetaBackend *backend,
gboolean numlock_state);
};
void meta_init_backend (MetaBackendType backend_type);

View file

@ -542,6 +542,14 @@ meta_backend_lock_layout_group (MetaBackend *backend,
META_BACKEND_GET_CLASS (backend)->lock_layout_group (backend, idx);
}
void
meta_backend_set_numlock (MetaBackend *backend,
gboolean numlock_state)
{
META_BACKEND_GET_CLASS (backend)->set_numlock (backend, numlock_state);
}
/**
* meta_backend_get_stage:
* @backend: A #MetaBackend

View file

@ -368,6 +368,14 @@ meta_backend_native_lock_layout_group (MetaBackend *backend,
g_signal_emit_by_name (backend, "keymap-layout-group-changed", idx, 0);
}
static void
meta_backend_native_set_numlock (MetaBackend *backend,
gboolean numlock_state)
{
ClutterDeviceManager *manager = clutter_device_manager_get_default ();
clutter_evdev_set_keyboard_numlock (manager, numlock_state);
}
static gboolean
meta_backend_native_get_relative_motion_deltas (MetaBackend *backend,
const ClutterEvent *event,
@ -421,6 +429,7 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
backend_class->lock_layout_group = meta_backend_native_lock_layout_group;
backend_class->get_relative_motion_deltas = meta_backend_native_get_relative_motion_deltas;
backend_class->update_screen_size = meta_backend_native_update_screen_size;
backend_class->set_numlock = meta_backend_native_set_numlock;
}
static void

View file

@ -805,6 +805,14 @@ meta_backend_x11_lock_layout_group (MetaBackend *backend,
XkbLockGroup (priv->xdisplay, XkbUseCoreKbd, idx);
}
static void
meta_backend_x11_set_numlock (MetaBackend *backend,
gboolean numlock_state)
{
/* TODO: Currently handled by gnome-settings-deamon */
}
static void
meta_backend_x11_update_screen_size (MetaBackend *backend,
int width, int height)
@ -897,6 +905,7 @@ meta_backend_x11_class_init (MetaBackendX11Class *klass)
backend_class->lock_layout_group = meta_backend_x11_lock_layout_group;
backend_class->update_screen_size = meta_backend_x11_update_screen_size;
backend_class->select_stage_events = meta_backend_x11_select_stage_events;
backend_class->set_numlock = meta_backend_x11_set_numlock;
}
static void

View file

@ -44,6 +44,9 @@ void meta_backend_set_keymap (MetaBackend *backend,
void meta_backend_lock_layout_group (MetaBackend *backend,
guint idx);
void meta_backend_set_numlock (MetaBackend *backend,
gboolean numlock_state);
ClutterActor *meta_backend_get_stage (MetaBackend *backend);
void meta_clutter_init (void);

View file

@ -65,9 +65,19 @@
#include "backends/native/meta-backend-native.h"
#endif
#define GSD_KEYBOARD_SCHEMA "org.gnome.settings-daemon.peripherals.keyboard"
typedef enum
{
GSD_KEYBOARD_NUM_LOCK_STATE_UNKNOWN,
GSD_KEYBOARD_NUM_LOCK_STATE_ON,
GSD_KEYBOARD_NUM_LOCK_STATE_OFF
} GsdKeyboardNumLockState;
G_DEFINE_TYPE (MetaWaylandKeyboard, meta_wayland_keyboard, G_TYPE_OBJECT);
static void meta_wayland_keyboard_update_xkb_state (MetaWaylandKeyboard *keyboard);
static void meta_wayland_keyboard_set_numlock (MetaWaylandKeyboard *keyboard,
gboolean numlock_state);
static void notify_modifiers (MetaWaylandKeyboard *keyboard);
static guint evdev_code (const ClutterKeyEvent *event);
@ -361,6 +371,107 @@ notify_modifiers (MetaWaylandKeyboard *keyboard)
xkb_state_serialize_mods (state, XKB_STATE_MODS_EFFECTIVE));
}
static void
numlock_set_xkb_state (MetaWaylandKeyboard *keyboard,
GsdKeyboardNumLockState state)
{
MetaBackend *backend = meta_get_backend ();
gboolean numlock_state;
if (state != GSD_KEYBOARD_NUM_LOCK_STATE_ON &&
state != GSD_KEYBOARD_NUM_LOCK_STATE_OFF)
return;
numlock_state = (state == GSD_KEYBOARD_NUM_LOCK_STATE_ON);
meta_verbose ("set numlock state %s\n", (numlock_state ? "ON" : "OFF"));
meta_backend_set_numlock (backend, numlock_state);
meta_wayland_keyboard_set_numlock (keyboard, numlock_state);
}
static void
maybe_restore_numlock_state (MetaWaylandKeyboard *keyboard)
{
gboolean remember_numlock;
if (!keyboard->gsd_settings)
return;
/* We are cheating for now, we use g-s-d settings... */
remember_numlock = g_settings_get_boolean (keyboard->gsd_settings,
"remember-numlock-state");
if (remember_numlock)
{
GsdKeyboardNumLockState state;
state = g_settings_get_enum (keyboard->gsd_settings, "numlock-state");
numlock_set_xkb_state (keyboard, state);
}
}
static void
maybe_save_numlock_state (MetaWaylandKeyboard *keyboard)
{
MetaWaylandXkbInfo *xkb_info = &keyboard->xkb_info;
GDesktopKeyboardNumLockState numlock_state;
int numlock_active;
if (!META_IS_BACKEND_NATIVE (meta_get_backend ()))
return;
if (!xkb_info->state)
return;
if (!keyboard->gsd_settings)
return;
if (!g_settings_get_boolean (keyboard->gsd_settings, "remember-numlock-state"))
return;
numlock_active = xkb_state_mod_name_is_active(xkb_info->state,
"Mod2",
XKB_STATE_MODS_LOCKED);
switch (numlock_active)
{
case -1:
numlock_state = GSD_KEYBOARD_NUM_LOCK_STATE_UNKNOWN;
break;
case 0:
numlock_state = GSD_KEYBOARD_NUM_LOCK_STATE_OFF;
break;
default:
numlock_state = GSD_KEYBOARD_NUM_LOCK_STATE_ON;
break;
}
g_settings_set_enum (keyboard->gsd_settings, "numlock-state", numlock_state);
}
static void
meta_wayland_keyboard_set_numlock (MetaWaylandKeyboard *keyboard,
gboolean numlock_state)
{
MetaWaylandXkbInfo *xkb_info = &keyboard->xkb_info;
xkb_mod_mask_t latched, locked, group, depressed;
xkb_mod_mask_t numlock;
meta_verbose ("backend numlock state %s\n", (numlock_state ? "ON" : "OFF"));
latched = xkb_state_serialize_mods (xkb_info->state, XKB_STATE_MODS_LATCHED);
locked = xkb_state_serialize_mods (xkb_info->state, XKB_STATE_MODS_LOCKED);
group = xkb_state_serialize_layout (xkb_info->state, XKB_STATE_LAYOUT_EFFECTIVE);
depressed = xkb_state_serialize_mods(xkb_info->state, XKB_STATE_DEPRESSED);
numlock = (1 << xkb_keymap_mod_get_index(xkb_info->keymap, "Mod2"));
if (numlock_state == TRUE)
locked |= numlock;
else
locked &= ~numlock;
xkb_state_update_mask (xkb_info->state, depressed, latched, locked, 0, 0, group);
notify_modifiers (keyboard);
}
static void
meta_wayland_keyboard_update_xkb_state (MetaWaylandKeyboard *keyboard)
{
@ -430,6 +541,16 @@ notify_key_repeat (MetaWaylandKeyboard *keyboard)
}
}
static void
remember_numlock_state_changed (GSettings *settings,
const char *key,
gpointer data)
{
MetaWaylandKeyboard *keyboard = data;
maybe_save_numlock_state (keyboard);
}
static void
settings_changed (GSettings *settings,
const char *key,
@ -484,6 +605,7 @@ meta_wayland_keyboard_enable (MetaWaylandKeyboard *keyboard,
MetaWaylandSeat *seat)
{
MetaBackend *backend = meta_get_backend ();
GSettingsSchema *schema;
keyboard->seat = seat;
@ -502,11 +624,25 @@ meta_wayland_keyboard_enable (MetaWaylandKeyboard *keyboard,
g_signal_connect (keyboard->settings, "changed",
G_CALLBACK (settings_changed), keyboard);
/* We are cheating for now, we use g-s-d settings... Check if available */
schema = g_settings_schema_source_lookup (g_settings_schema_source_get_default (),
GSD_KEYBOARD_SCHEMA,
TRUE);
if (schema)
{
keyboard->gsd_settings = g_settings_new_full (schema, NULL, NULL);
g_settings_schema_unref (schema);
g_signal_connect (keyboard->gsd_settings, "changed::remember-numlock-state",
G_CALLBACK (remember_numlock_state_changed), keyboard);
}
g_signal_connect (backend, "keymap-changed",
G_CALLBACK (on_keymap_changed), keyboard);
g_signal_connect (backend, "keymap-layout-group-changed",
G_CALLBACK (on_keymap_layout_group_changed), keyboard);
meta_wayland_keyboard_take_keymap (keyboard, meta_backend_get_keymap (backend));
maybe_restore_numlock_state (keyboard);
}
static void
@ -538,6 +674,8 @@ meta_wayland_keyboard_disable (MetaWaylandKeyboard *keyboard)
/* XXX: What about keyboard->resource_list? */
g_clear_object (&keyboard->settings);
if (keyboard->gsd_settings)
g_object_unref (keyboard->gsd_settings);
keyboard->seat = NULL;
}
@ -593,6 +731,8 @@ meta_wayland_keyboard_handle_event (MetaWaylandKeyboard *keyboard,
if (keyboard->mods_changed != 0)
{
if (keyboard->mods_changed & XKB_STATE_MODS_LOCKED)
maybe_save_numlock_state (keyboard);
notify_modifiers (keyboard);
keyboard->mods_changed = 0;
}

View file

@ -100,6 +100,7 @@ struct _MetaWaylandKeyboard
MetaWaylandKeyboardGrab default_grab;
GSettings *settings;
GSettings *gsd_settings;
};
void meta_wayland_keyboard_enable (MetaWaylandKeyboard *keyboard,